Unit 4 Flashcards
1
Q
How do you find what type of collision a collision is
A
If the kinetic energies are the same before and after the collision they are elastic equations
if the kinetic energies are different it is an inelastic collision
2
Q
Elastic collision equation
A
m1v1+m2v2 = m1vf+m2vf
3
Q
Inelastic Collision equation
A
m1v1+m2v2 = (m1+m2)*vf
4
Q
Explosive Collision equation
A
(m1+m2)v1=m1vf+m2*vf
5
Q
What does impulse equal
A
Favg*time
6
Q
what does change in momentum equal
A
P= F*t
7
Q
Center of mass equation
A
Cm= m1(x1)+m2(x2)/m1+m2
8
Q
Centripetal force equation
A
Mass multiplied by centripetal acceleration
9
Q
Forces that go towards the center
A
Tension, friction, gravity
10
Q
Exit circular motion speed
A
V = square root of g*r
